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【简答题】
某台等压法灌装机，其最大生产能力为Q max =15000瓶/小时，每瓶盛液料W=0.5kg/瓶，液料重度r=0.996×10 3 kgf/m 3 ，粘度u=0.894厘泊，操作时贮液箱内压力为一个表压，输液管为φ38×4mm的无缝钢管，总长为20m，管路安装2～3个标准弯头，2个球心阀，为了保证灌装机正常工作，若采用高位槽供料，试求高位槽离开贮液箱进液管出口截面的安装高度：（查表得摩擦阻力系数λ=0.035，标准弯头阻力系数θ=0.75，球心干线栓开阻力系数θ=6.4，进口阻力系数θ=0.5，出口阻力系数θ=1）？
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A.
How many, is
B.
How much, are
C.
How much, is
D.
How many, are
【单选题】----Could you give these books to Mr. Black? ----Absolutely, _______him at five o’clock this afternoon.
A.
I will have a talk
B.
I have a talk with
C.
I can have a talk with
D.
will be having a talk with
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A.
free; surprised
B.
fine; OK
C.
busy; ready
D.
ready; unprepared
【单选题】“Could you give these books to Mr .Black?”“Absolutely,( )him at five o’clock this afternoon.”
A.
I will have a talk
B.
I have a talk with
C.
I can have a talk with
D.
I will be having a talk with
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【简答题】Could you give five examples of good tastes of wine?
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【单选题】We are sure one day the air in Beijing will be much ______ than today.
A.
clean
B.
cleaner
C.
cleanest
D.
the cleanest
【单选题】---Could you give me some money, Dad? -______do you need? -Twenty-five yuan______OK.
A.
How many; is
B.
How much; are
C.
How much; is
D.
How many; are
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